| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wonfull Petro | China national standards | MT | 1318.06 | USD | 20260323 |
| Dongying Hualian Petro | China national standards | MT | 1304.01 | USD | 20260323 |
| Shandong Haike Chem | China national standards | MT | 1307.92 | USD | 20260323 |
| Shandong Wonfull Petro | China national standards | MT | 1248.22 | USD | 20260320 |
| Shandong Wonfull Petro | China national standards | MT | 1239.58 | USD | 20260319 |
| Shandong Wonfull Petro | China national standards | MT | 1239.58 | USD | 20260319 |
| Shandong Haike Chem | China national standards | MT | 1232.33 | USD | 20260319 |
| Dongying Hualian Petro | China national standards | MT | 1228.42 | USD | 20260319 |
| Dongying Hualian Petro | China national standards | MT | 1165.74 | USD | 20260318 |
| Shandong Haike Chem | China national standards | MT | 1166.76 | USD | 20260318 |